Cessna 182 1978 - Page 444

MODEL
182
& T182
SERIES
SERVICE
MANUAL
16-54.
TROUBLE
SHOOTING
(Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
1.
Inspect
circuit
breaker.
If
ALL
NAV
LIGHTS
OUT.
Short
circuit
in
wiring,
circuit
breaker
is open,
proceed
to
step
2.
If circuit
breaker
is
OK,
proceed
to
step
3.
Defective
wiring.
2. Isolate
and
test
each
nav light
circuit
until
short
is located.
Repair
or
replace
wiring.
Defective
switch.
3. Check
voltage
at
nav
light
with
master
and nav
light switches
on.
Should
read
battery
voltage.
Re-
place switch.
ONE
NAV LIGHT
OUT.
Lamp burned
out.
1. Inspect
lamp.
Replace
lamp.
Open
circuit
in wiring.
2.
Test wiring
for
continuity.
Repair or
replace wiring.
The
anti-collision
system
is
a high
voltage
device.
Do not
remove
or
touch
tube
assembly
while
in operation.
Wait
at
least
5 minutes
after
turning
off
power
before
starting
work.
BOTH
ANTI-COLLISION
Open
circuit
breaker.
1.
Check,
if
open
reset.
If
STROBE
LIGHTS
WILL
circuit
breaker
continues
to
NOT
LIGHT.
open
proceed
to step
2.
2. Disconnect
red
wire
be-
tween
aircraft
power
supply
(battery/external
power)
and
strobe
power
supplies,
one
at
a time.
If
circuit
breaker
opens
on one
strobe
power
supply, replace
strobe
power
supply.
If circuit
breaker
opens
on both
strobe
power
supplies
proceed
to step
3.
If circuit
breaker
does not
open
proceed to
step 4.
3.
Check
aircraft
wiring.
Repair
or
replace
as
neces-
sary.
4.
Inspect
strobe
power
sup-
ply ground
wire for
contact
with wing
structure.
16-38